SELECT
    COLNAME AS COLUMN_NAME ,
    TYPESCHEMA,
    TYPENAME AS DATA_TYPE,
    "LENGTH" AS DATA_LENGTH,
    "SCALE" AS DATA_SCALE,
    "DEFAULT" AS DATA_DEFAULT,
    "NULLS" AS NULLABLE,
    REMARKS AS COMMENTS
FROM
    SYSCAT.COLUMNS c
WHERE 1=1
  AND TABSCHEMA = ?
  AND TABNAME = ?
ORDER BY
    COLNO
